self-back.com - dns.ninja
self-back.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1782650735 | ||||||
MX for
self-back.com |
Subdomains
mail.self-back.com |
Same first word
self-back.com |
Similar names
DNS History
11 records (7 active, 4 former)
○NSns1.value-domain.com2015-08-20 → 2017-05-25 · 4 obs
● 2017-05-25 10:04:38
○ 2026-03-12 03:50:08
○ 2026-06-28 12:58:34
●NSns1.xserver.jp2026-03-12 → 2026-06-28 · 3 obs
● 2026-03-12 03:50:08
● 2026-06-28 12:58:34
○NSns2.value-domain.com2015-08-20 → 2017-05-25 · 4 obs
● 2017-05-25 10:04:38
○ 2026-03-12 03:50:08
○ 2026-06-28 12:58:34
●NSns2.xserver.jp2026-03-12 → 2026-06-28 · 3 obs
● 2026-03-12 03:50:08
● 2026-06-28 12:58:34
●NSns3.xserver.jp2026-03-12 → 2026-06-28 · 3 obs
● 2026-03-12 03:50:08
● 2026-06-28 12:58:34
●NSns4.xserver.jp2026-03-12 → 2026-06-28 · 3 obs
● 2026-03-12 03:50:08
● 2026-06-28 12:58:34
●NSns5.xserver.jp2026-03-12 → 2026-06-28 · 3 obs
● 2026-03-12 03:50:08
● 2026-06-28 12:58:34
○MXmail.self-back.com2015-08-20 → 2017-05-25 · 4 obs
● 2017-05-25 10:04:38
○ 2026-03-12 03:50:08
○ 2026-06-28 12:58:34
●MXself-back.com2026-03-12 → 2026-06-28 · 3 obs
● 2026-03-12 03:50:08
● 2026-06-28 12:58:34
○A153.122.27.1182015-08-20 → 2017-05-25 · 4 obs
● 2017-05-25 10:04:38
○ 2026-03-12 03:50:08
○ 2026-06-28 12:58:34
●A157.112.152.672026-03-12 → 2026-06-28 · 3 obs
● 2026-03-12 03:50:08
● 2026-06-28 12:58:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| self-back.com | ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp... | - |
✅ Authoritative Response
Server:202.226.36.247
NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for self-back.com (unsigned zone)
⏱️ Timing
Total: 1263ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 157.112.152.67 |
| NS | 5 | ns4.xserver.jp, ns5.xserver.jp... |
| MX | 1 | self-back.com (pri: 0) |
| TXT | 2 | google-site-verification=b2eNYEsqObXYh6I, v=spf1 +a:sv966.xserver.jp +a:self-back. |
| SOA | 1 | ns1.xserver.jp root.xserver.jp |
Analysis
Hierarchy
self-back.com is a parent domain of mail.self-back.com.
Mail Server Role
self-back.com serves as a mail server for self-back.com.
IP Addresses
self-back.com has exactly one IP address — 157.112.152.67.
espero-valve.com, howto-snowboard.com, hiranoya.info plus two other host names have IP numbers in common with self-back.com.
Name Servers
Five name servers handle delegation for self-back.com: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.
self-back.com shares at least some of its name servers with other domains, including pegasus-group.com, jimuhaken.com, high-g33.com and two others.
These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.
Host names carrying three IP numbers:
The hostname ns1.xserver.jp directs to 202.226.36.164, 202.226.36.170 and 202.226.36.246.
The hostname ns4.xserver.jp directs to 183.90.224.226, 183.90.224.230 and 202.226.39.247.
The hostname ns5.xserver.jp directs to 157.112.182.218, 157.112.182.220 and 202.226.37.247.
Host names resolving to a single IP address:
ns2.xserver.jp has the IP address 35.72.43.26.
ns3.xserver.jp has the IP address 202.226.36.247.
Mail Servers
self-back.com uses exactly one mail server, which is self-back.com.
self-back.com directs to just one IP number, 157.112.152.67.